Re: What is your opinion about unsigned int u = -2 ?

On 11/08/2024 20:33, Tim Rentsch wrote:

Ick.  That choice is exactly backwards IMO.  Converting -1 to
an unsigned type always sets all the bits.  Converting -1u to
an unsigned type can easily do the wrong thing, depending
on the target type.

"Converting -1 to an unsigned type always sets all the bits"
In any normal twos complement architecture that's the case. But there are a few oddballs out there where -1 is +1, except that the dedicated sign bit is set.
Andy